NULL Pointer Dereference Vulnerability in Adobe InDesign Desktop
CVE-2026-84396

5.5MEDIUM

Key Information:

Vendor

Adobe
Status
Indesign Desktop
Vendor
CVE Published:
22 September 2026

What is CVE-2026-84396?

Adobe InDesign Desktop is susceptible to a NULL Pointer Dereference vulnerability that could trigger a denial-of-service condition. This vulnerability can be exploited by an attacker if a victim unwittingly opens a specially crafted malicious file, potentially resulting in an application crash. Users should exercise caution and ensure that they only open files from trusted sources to mitigate this risk.

Affected Version(s)

InDesign Desktop 0 <= 21.5

InDesign Desktop 0 <= 20.5.4

InDesign Desktop 21.6

References

https://helpx.adobe.com/security/products/indesign/apsb26...
vendor-advisory

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.